6222244643 has 2 divisors, whose sum is σ = 6222244644. Its totient is φ = 6222244642.

The previous prime is 6222244631. The next prime is 6222244663. The reversal of 6222244643 is 3464422226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6222244643 - 2⁸ = 6222244387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6222244663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111122321 + 3111122322.

It is an arithmetic number, because the mean of its divisors is an integer number (3111122322).

Almost surely, 2^6222244643 is an apocalyptic number.

6222244643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222244643 is an equidigital number, since it uses as much as digits as its factorization.

6222244643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 35.

The square root of 6222244643 is about 78881.2058921515. The cubic root of 6222244643 is about 1839.2849934381.

Adding to 6222244643 its reverse (3464422226), we get a palindrome (9686666869).

The spelling of 6222244643 in words is "six billion, two hundred twenty-two million, two hundred forty-four thousand, six hundred forty-three".